M 5.5 earthquake: South Pacific Ocean (Antarctica) — May 23, 1978

M 5.5 earthquake: South Pacific Ocean (Antarctica) — May 23, 1978. Epicenter 2255 km NW of Peter I Island, depth 33 km, 11:08 Local (1978-05-23 19:08 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (2255 km NW, Antarctica) — -53.152, -118.348

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